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14 Images–Geometrical Optics

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(1)

How can its eyes function in both air and water?

14 Images–Geometrical Optics

Anableps ‒ 4 eyed fish

(2)

What’s wrong about it?

(3)

Manet's Bar at the Folies-Bergère:

One Scholar's Perspective

(4)

Sections

14.1 VIRTUAL IMAGE and REAL IMAGE 14.2 Plane Mirrors

14.3 Concave and Convex Spherical Mirrors 14.4 Images from Spherical Mirrors

14.5 Spherical Refracting Surfaces 14.6 Thin Lenses

(5)

14.1 VIRTUAL IMAGE and REAL IMAGE

An Example of Virtual Image, A Common Mirage:

(6)

14.2 Plane Mirrors

(7)

Mirror Maze

(8)

14.3 Concave and Convex Spherical Mirrors

Focal length f and radius of curvature r

f =r /2

(9)

14.4 Images from Spherical Mirrors

(10)

The Spherical Mirror Formula

(11)

lateral magnification m

(12)

Locating Images by drawing (4) rays

(13)

Example: Image produced by a spherical mirror

(14)

14.5 Spherical Refracting Surfaces

(15)

The Refracting Surface formula

(16)

Image produced by a Refracting Surface

(17)

14.6 Thin Lenses

converging and diverging lens

(18)

Convex Lens and Concave Lens

(19)

Locating Images by Drawing Rays

the lens maker’s equation

(20)

The Thin Lens Formulas

(21)

Two Lens System

Total magnification:

If M is positive, the final image has same the orientation as the object.

(22)

Image produced by a thin symmetric lens

(23)

參考文獻

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